Now, let’s see the C++11 way: using fp = void(*)(int ... The second difference is a bit more esoteric, at least in Arduino programming. Usings can be templatized while typedefs cannot.

You’re writing in C/C++, using a library of functions with ... This is not at all the case with Arduino: it’s not a programming language at all, and that’s a darned good thing.

First up, is the default Arduino programming language -- which is a limited version of the C/C++ languages. To use it, you'll need to download the regular IDE software that's available for a ...